The ABC350 Series of open frame power supplies feature a wide
universal AC input range of 90 – 264 VAC, offering 350 W of output
power in a compact 3 x 5 x 1 inch footprint, with a variety of isolated
single output voltages.
The high efficiency and high power density of the ABC family ensures
minimal power loss in end-use equipment, thereby facilitating higher
reliability, easier thermal management and meets regulatory approvals
for environmentally-friendly end products.
These power supplies are ideal for telecom, datacom, industrial
equipment and other applications.
• 3 x 5 x 1 Inch Form Factor
• 350 W with Forced Air Cooling & 200 W with Convection Cooling
• Efficiencies up to 94%
• -40 to 70°C Operating Temperature
• 12 V / 0.5 A Fan Output, Thermal Shut-Down Feature
• 2.56 Million Hours, Telcordia -SR332-Issue 3 MTBF
• Standby Power < 0.5 W
• Approved to EN60950-1
• RoHS Compliant
▪ Instrumentation
▪ Lighting
▪ Industrial Applications
▪ Applied Computing
▪ Renewable Energy
▪ Test and Measurement
▪ Automation Control
▪ Wireless Communication
2
ABC350 Series
tech.support@psbel.com
DESCRIPTION
VOLTAGE
MAX. LOAD
(CONVECTION)
MAX. LOAD
(375 LFM)
MIN. LOAD
RIPPLE & NOISE1
Thermal shutdown feature: The power supply goes in hiccup mode when the temperature of PCB exceeds 110 °C (+/-10 °C).
Specifications are for nominal input voltage, 25°C unless otherwise stated.
PARAMETER
DESCRIPTION / CONDITION
SPECIFICATION
Input Voltage
Universal
(Derate from 100% at 100 VAC to 90% at 90 VAC)
90-264 VAC / 390 VDC
Input Frequency
47 - 63 Hz
Input Current
115 VAC:
230 VAC:
3.6 A max.
1.8 A max.
No Load Power
Typical
>0.5 W
Inrush Current
115 VAC:
230 VAC:
264 VAC:
25 A
45 A
75 A
Leakage Current
Typical
300 µA
Power Factor
Full Load
>0.95
Switching Frequency
PFC:
PWM:
70 - 130 KHz
50 - 80 KHz
1
Ripple is peak to peak with 20 MHz bandwidth and 10 µF (Tantalum capacitor) in parallel with a 0.1 µF capacitor at rated line voltage
and load ranges.
2
When used in Cover Kit, de-rate output power to 70 % under all operating conditions
ABC350 Series
3
Asia-Pacific
+86 755 298 85888
Europe, Middle East
+353 61 225 977
North America
+1 408 785 5200
© 2017 Bel Power Solutions & Protection
BCD.00560_AF
PARAMETER
DESCRIPTION / CONDITION
SPECIFICATION
Output Power3
With 375 LFM:
Convection:
350 W
200 W
Efficiency
48 V, 58 V:
24 V, 30 V:
12 V, 15 V:
94%
93%
92%
Hold-up Time
Full Load:
Convection Load:
8 ms typical
14 ms typical
Line Regulation
+/-0.5%
Load Regulation
+/-1%
Transient Response
50-100% step load change, at 0.1A/µS slew rate,
50% duty cycle, 50 Hz = 5% ,
recovery time < 5 ms
Voltage Adjustment
+/-3%
Rise Time
Typical
55 ms
Set Point Tolerance4
+/-1%
Over Current Protection
Hiccup mode / Auto Recovery
>110%
Over Voltage Protection
Hiccup mode / Auto Recovery
110 to 140%
Short Circuit Protection
Hiccup mode / Auto Recovery
Conducted Emissions
EN55032-B, CISPR22-B, FCC PART15-B
Pass
Radiated Emissions
EN 55032 A;
with external core (King core K5B RC 25x12x15-M in input cable)
Pass
Level B
Input Current Harmonics
EN 61000-3-2
Class D
Voltage Fluctuation and Flicker
EN 61000-3-3
Pass
ESD Immunity
EN 61000-4-2
Level 3, Criterion A
Radiated Field Immunity
EN 61000-4-3
Level 3, Criterion A
Electrical Fast Transient Immunity
EN 61000-4-4
Level 3, Criterion A
Surge Immunity
EN 61000-4-5
Level 3, Criterion A
Conducted Immunity
EN 61000-4-6
Level 3, Criterion A
Magnetic Field Immunity
EN 61000-4-8
Level 3, Criterion A
Voltage Dips, Interruptions
EN 61000-4-11
Criterion A & B
PARAMETER
DESCRIPTION / CONDITION
SPECIFICATION
Isolation Voltage
Input to Output: for ITE application
Input to GND:
3000 VAC
1500 VAC
Safety Standards
Approved to the latest edition of the following standards:
CSA/UL60950-1, EN60950-1 and IEC60950-1, Class1 SELV
Agency Approvals
Nemko, UL, C-UL
CE mark
Complies with LVD Directive
3
Combined output power of main output, fan supply shall not exceed max. power rating.
4
Fan supply output voltage tolerance including set point accuracy, line & load regulation is +/-10% and ripple & noise is less than 10%.
4
ABC350 Series
tech.support@psbel.com
PARAMETER
DESCRIPTION / CONDITION
SPECIFICATION
Operating Temperature5
Startup guaranteed, with spec deviation, see Fig. 1
-40 to +70°C
-40 to 0°C
Storage Temperature
-40 to 85° C
Cooling
With 375 LFM forced air cooling at 100 to 264 VAC:
With natural convection cooling at 100 to 264 VAC:
350 W
200 W
Altitude
Operating:
Non-operating:
16,000 ft.
40,000 ft.
Humidity
Non Condensing
5% to 95%
Reliability
MTBF according to Telcordia - SR332-Issue 3
2.56 million hours
CONNECTOR
PIN
DESCRIPTION / CONDITION
MANUFACTURER / PN
AC Input Connector
J1
Pin 1
Pin 2
Pin 3
AC Line
Not Fitted
AC Neutral
Molex: 26-60-4030
Mating: 09-50-3031; Pins: 08-50-0106
DC Output Connector
J2
Screw Terminal
(Option 1)
Pin 1
Pin 2
V1 +VE
V1 - VE
6-32 inches Screw Pan HD
Mating: 16 AWG wire crimped to Ring
Tongue Terminal AMP: 8-31886-1
Molex Connector
(Option 2)
Pin 1,2,3,4
Pin 5,6,7,8
V1 +VE
V1 - VE
Molex: 26-60-4080
Mating: 09-50-3081; Pins: 08-50-0106
Aux (Fan) Output
J3
Pin 1
Pin 2
FAN +VE
FAN -VE
AMP :640456-2
Mating: 640440-2
Earth
J4
Molex: 19705-4301
Mating: 19003-0001
Weight
300 g
Dimensions
76.2 x 127.0 x 25.4 mm (3 x 5 x 1 inch)
5
Output ripple can be more than 10% of the output voltage.
ABC350 Series
5
Asia-Pacific
+86 755 298 85888
Europe, Middle East
+353 61 225 977
North America
+1 408 785 5200
© 2017 Bel Power Solutions & Protection
BCD.00560_AF
Figure 2. Mechanical Drawing - Screw Terminal (Option 1)
Figure 3. Mechanical Drawing - Molex Header (Option 2)
NOTES: In case the PCB is mounted in a metal enclosure, using metal hardware ensure the following:
1 Stand off, used to mount PCB has OD of 5.4 mm max.
2 Screws, used to fix PCB on stand off, have head dia of 6.0 mm max.
3 Washer, if used, to have dia of 6.5 mm max.
6
ABC350 Series
tech.support@psbel.com
Convection load: 180 W up to 50 °C
De-rate above 50 °C @ 2.5% per °C
Forced air cooled load: 300 W up to 50°C
De-rate above 50 °C @ 2.5% per °C
Convection load: 180 W up to 50 °C
De-rate above 50 °C @ 2.5% per °C
Forced air cooled load: 325 W up to 50°C
De-rate above 50 °C @ 2.5% per °C
Convection load: 200 W up to 50 °C
De-rate above 50 °C @ 2.5% per °C
Forced air cooled load: 350 W up to 50°C
De-rate above 50 °C @ 2.5% per °C
NUCLEAR AND MEDICAL APPLICATIONS - Products are not designed or intended for use as critical components in life support systems,
equipment used in hazardous environments, or nuclear control systems.
TECHNICAL REVISIONS - The appearance of products, including safety agency certifications pictured on labels, may change depending on the
date manufactured. Specifications are subject to change without notice.